diff --git a/scripts/calculate-next-version.ts b/scripts/calculate-next-version.ts
index 2018310..3949866 100644
--- a/scripts/calculate-next-version.ts
+++ b/scripts/calculate-next-version.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env npx tsx
+#!/usr/bin/env bun
 /**
  * Calculates the next semantic version based on conventional commits since the last tag.
  *
@@ -7,7 +7,7 @@
  * - feat: -> minor bump
  * - fix:, docs:, chore:, style:, refactor:, perf:, test:, build:, ci: -> patch bump
  *
- * Usage: npx tsx scripts/calculate-next-version.ts
+ * Usage: bun scripts/calculate-next-version.ts
  * Output: Prints the suggested next version to stdout
  */
 
diff --git a/scripts/release.sh b/scripts/release.sh
index 7d2ce77..d468315 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -71,7 +71,7 @@ fi
 
 # Calculate suggested next version based on conventional commits
 print_step "Analyzing commits to determine next version..."
-SUGGESTED_VERSION=$(npx tsx scripts/calculate-next-version.ts 2>/dev/null)
+SUGGESTED_VERSION=$(bun scripts/calculate-next-version.ts 2>/dev/null)
 
 if [ -z "$SUGGESTED_VERSION" ]; then
     print_warning "Could not determine suggested version from commits"
@@ -81,7 +81,7 @@ fi
 # Show commit analysis
 echo ""
 print_info "Version analysis:"
-npx tsx scripts/calculate-next-version.ts --verbose 2>/dev/null | while IFS= read -r line; do
+bun scripts/calculate-next-version.ts --verbose 2>/dev/null | while IFS= read -r line; do
     echo "  $line"
 done